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ENLARGING photo without the "jaggies".

Discussion in 'Digital Photography & Imaging' started by BigDaveinNJ, Sep 24, 2003.

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  1. BigDaveinNJ

    BigDaveinNJ Thread Starter

    Joined:
    Jun 9, 2000
    Messages:
    892
    Are thyere any good programs out there, I know I'm asking for alot here, preferrably freeware that will allow you to enlarge a photo, say 2 or 3 times, while keeping the jagged lines and pixel blocks down to a minimum.

    Whenever I enlarge a photo by 3x.... or sometimes even 2x the pixels become very obvious and stand out as well as the edges of objects, especially round ones you can definitly see the jagged edges.

    Can you enlarge a photo, while keeping these jagged edges and viewable pixels to a minimum.

    Thanks in advance :)

    DAVID
     
  2. slipe

    slipe

    Joined:
    Jun 27, 2000
    Messages:
    6,832
    You are evidently starting with very low resolution images as are displayed on most web pages and trying to enlarge them. Raster images are made of dots and people usually try to use the minimum possible dots on a web page so it looks OK at normal size but takes the minimum time to load and uses the minimum space. It is very hard to enlarge those images.

    You can cover up some of the dots the picture is made of with some filters like Photoshop’s smart blur. But there is no way to improve the resolution or stop the jaggies.

    Images from a 5Mp digital camera can be enlarged quite a bit before you actually see the pixels or get jaggies, but you are starting with a massive number of dots compared to downloading a web image. There are sites where you can download decent sized images like NASA, but most you find can’t be displayed much larger than you see them.
     
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